#NEXUS BEGIN DATA; DIMENSIONS NTAX=29 NCHAR=30; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Synapsida_slash_Diapsida 000000000000000000000000000000 Proganochelys 000000000000000000000000000001 Australochelys 000000000000000000000000000011 Palaeochersis 000000000000000000000000000111 Proterochersis 000000000000000000000000011111 Megapleurodira 000000000000000000000000011111 Kayentachelys 000000000000000000000000101111 Kallokibotion 000000000000000000000111101111 Mongolochelys 000000000000000000000001101111 Pleurosternidae 000000000000000000011111101111 Baenidae 000000000000000000001111101111 Xinjiangchelys 000000000000000111100011101111 Solnhofia 000000000000001001100011101111 Plesiochelyidae 000000000000001001100011101111 Meiolania 000000000111110010100011101111 Ninjemys 000000000111110010100011101111 Niolamia 000000000011110010100011101111 Chubutemys 000000000000110010100011101111 Sinemys 000000011000010111100011101111 Otwayemys 000000000001110010100011101111 Hangaiemys 000111111000010111100011101111 Dracochelys 000001111000010111100011101111 Ordosemys 000000101000010111100011101111 Judithemys 000111111000010111100011101111 Chelydridae 011011111000010111100011101111 Chelonioidea 011011111000010111100011101111 Trionychoidea 101011111000010111100011101111 Testudinoidea 101011111000010111100011101111 Compsemys_victa 000000000000000000011111101111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;